Algonquin township

County:: McHenry County
County Seat:: No
Area (mi²):: 46.491
State:: Illinois

Algonquin township is located in McHenry County, Illinois. Algonquin township has a 2025 population of 88,836. Algonquin township is currently growing at a rate of 0.42% annually and its population has increased by 1.51% since the most recent census, which recorded a population of 87,515 in 2020.

The average household income in Algonquin township is $128,044 with a poverty rate of 5.99%. The median age in Algonquin township is 39.2 years: 38 years for males, and 40.5 years for females.

Demographics

The racial composition of Algonquin township includes 82.06% White, 4.62% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	72,091	82.06%
Two or more races	7,369	8.39%
Other race	4,059	4.62%
Asian	2,502	2.85%
Black or African American	1,475	1.68%
Native American	340	0.39%
Native Hawaiian or Pacific Islander	11	0.01%

Algonquin township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Algonquin township's average per capita income is $60,099. Household income levels show a median of $105,791. The poverty rate stands at 5.99%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$132,959	-
Families	$120,393	$144,027
Households	$105,791	$128,044
Non Families	$58,998	$76,828

$60,099

Average Income

$105,791

Median Household Income

5.99%

Poverty Rate